Abstract
The time-resolved EQCM was used to investigate the mechanism of the electrochemical formation of silver(I) oxide on a polycrystalline silver electrode in 0.1 M NaOH. The mass change was monitored in a series of potentiodynamic experiments. The first stage of the oxidation can be unambiguously attributed to the formation of a monolayer of Ag 2O. In the second stage of the oxidation, a very small amount of Ag or its oxide dissolves into the solution and the Ag 2O layer thickens gradually. No species other than Ag 2O was detected during the whole oxidation process. The structure of the Ag 2O layers formed is different at different stages of the oxidation. Compact Ag 2O layers are formed in the first two stages, while Ag 2O formed at more positive potentials is porous. The roughening of the electrode during the formation and reduction of the oxide is also discussed on the basis of the mass changes.
Sign-in/Register to access full text options 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
